<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>个人存款计算器</title>
		<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
		<script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
		<link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
		<script>
			function calc(){
				//alert("函数被调用了")
				mon = $("#money").val();//"3000"
				monNum = parseInt(mon);//把字符串转换成数字
				var ban = 0;
				yea = $("#year option:selected").text();
				if(yea == "一年"){
					ban = monNum * 0.0175 * 1;
					total = ban + monNum;
				}
				if(yea == "二年"){
					ban = monNum * 0.0225 * 2;
					total = ban + monNum;
				}
				if(yea == "三年"){
					ban = monNum * 0.0275 * 3;
					total = ban + monNum;
				}
				if(yea == "五年"){
					ban = monNum * 0.275 * 5;
					total = ban + monNum;
				}
				$("#balance").val(ban);
				$("#total").val(total);
			}
		</script>
	</head>
	<body>
		<div class="text-center center-block">
			<table class="table table-bordered">
				<tr class="bg-primary">
					<td colspan="2">个人存款计算器</td>
				</tr>
				<tr>
					<td>存款金额</td>
					<td>
						<input class="form-control" type="text" id="money">
					</td>
				</tr>
				<tr>
					<td>存款期限</td>
					<td>
						<select class="form-control" id="year">
							<option>一年</option>
							<option>两年</option>
							<option>三年</option>
							<option>五年</option>
						</select>
					</td>
				</tr>
				<tr>
					<td>所得利息</td>
					<td>
						<input class="form-control" readonly="readonly" type="text" id="balance" />
					</td>
				</tr>
				<tr>
					<td>本息合计</td>
					<td>
						<input class="form-control" readonly="readonly" type="text" id="total" />
					</td>
				</tr>
				<tr>
					<td colspan="2">
						<button onclick="calc()" class="btn btn-danger">开始计算</button>
					</td>
				</tr>
			</table>
		</div>	
	</body>
</html>

